You'll spoil it if you do, for the interest of the story is more in the minds than in the actions of the people, and it will be all a muddle if you don't explain as you go on," said Meg, who firmly believed that this book was the most remarkable novel ever written.
"But Mr.Allen says, 'Leave out the explanations, make it brief and dramatic, and let the characters tell the story'," interrupted Jo, turning to the publisher's note.
"Do as he tells you.

He knows what will sell, and we don't.

Make a good, popular book, and get as much money as you can.

By-and-by, when you've got a name, you can afford to digress, and have philosophical and metaphysical people in your novels," said Amy, who took a strictly practical view of the subject.
"Well," said Jo, laughing, "if my people are 'philosophical and metaphysical', it isn't my fault, for I know nothing about such things, except what I hear father say, sometimes.

If I've got some of his wise ideas jumbled up with my romance, so much the better for me.